The Thanksgiving Ham

One year, quite some time back, I remember being home and my sister preparing the Thanksgiving ham.  Now that I'm a little older and have cooked a ham a time or two, I realize that it's not an overly challenging thing to do.  However, that year I sat and watched my sister work so hard all day to make the perfect ham.  She pre-heated the oven, spent time making the perfect glaze, then she took the ham out and unwrapped it, placed it in the dish, glazed it and made sure to place pineapple and cherries all around it.  For hours she checked the ham like clockwork, basting it when she felt it was needed and making sure it didn't dry out.  Finally, when it was almost time to eat, she took the ham out of the oven... only to find... that she had neglected to remove the thin, tightly sealed plastic wrapping from the ham prior to preparing it.